13 citations,
May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
19 citations,
September 2005 in “International Journal of Dermatology” African-American hair's curl pattern significantly affects its strength and elasticity.
4 citations,
July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
2 citations,
January 2002 in “PubMed” The new test shows how hair treatments affect hair's bending stiffness by swinging a pendulum through hair fibers.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
19 citations,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
186 citations,
December 2012 in “Current opinion in cell biology” Keratin proteins are increasingly recognized as important for cell health and are linked to many diseases.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
New methods to classify curly hair types were developed based on shape and strength.
41 citations,
May 2018 in “Nutrition and healthy aging” Skin aging is largely due to differences in stiffness and elasticity between skin layers, leading to wrinkles.
3 citations,
January 2021 in “Wear” Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
51 citations,
September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
1 citations,
November 2022 in “Molecules/Molecules online/Molecules annual” Low-molecular weight hyaluronate can make damaged hair stronger.
119 citations,
March 2020 in “Frontiers in Bioengineering and Biotechnology” Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.
21 citations,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
11 citations,
July 2021 in “Sustainability” Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
18 citations,
August 2017 in “PLOS ONE” Skin and its underlying fat layer act together to resist mechanical stress, and reinforcing this composite structure may help more with anti-aging than just strengthening the skin alone.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
25 citations,
April 2021 in “npj Regenerative Medicine” Mathematical modeling can improve regenerative medicine by predicting biological processes and optimizing therapy development.
July 2023 in “Research Square (Research Square)” Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.
69 citations,
December 2016 in “Facial plastic surgery” Different types of facial fat affect aging and treatment outcomes; more research is needed to enhance anti-aging procedures.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
November 2022 in “Journal of Investigative Dermatology” The LED light therapy mask improved skin elasticity and reduced signs of aging in a test and in women aged 40-60.
2 citations,
June 2023 in “Gels” Injectable hydrogels are becoming increasingly useful in medicine for drug delivery and tissue repair.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
May 2024 in “Indian journal of pharmacy and pharmacology” Luliconazole is more effective than ketoconazole at repairing damaged hair cuticles.